[srslte-users] Throughput tests

[Ismael Gomez]

run the following command from EPC (amarisoft) server:

iperf -c 192.168.3.2 -b75M -t100 -u

to run a DL iperf and to run UL iperf:

iperf -c 192.168.3.1 -b30M -t100 -u


On Tue, 13 Feb 2018 at 10:44 <dmakris at iit.demokritos.gr> wrote:

> Hi Ismael,
>
> i use in the smartphone (client) the following:
> -c 192.168.3.1 -t 1000 -u -R.
> In the EPC (Amarisoft) runs the iperf -s (server).
>
> Best Regards,
> Dimitris
>
> > what command do you use for UDP iperf?
> >
> > On Tue, 13 Feb 2018 at 10:34 <dmakris at iit.demokritos.gr> wrote:
> >
> >> Hi Ismael,
> >>
> >> thank you for your immediate response.
> >> I tune the Tx and Rx gains to 88 and 45 dB respectively, so the snr from
> >> trace monitoring is about 27 dB.
> >> I run the tests using speedtest from Okla, and i measure the DL between
> >> 12
> >> and 20 Mbps. The UL is about 25 Mbps.
> >> Then i run an iperf UDP test. When i try to download, the DL is about 10
> >> Mbps and the snr goes to -nan.
> >>
> >> Best Regards,
> >> Dimitris
> >>
> >>
> >> > Are you using TCP or UDP? TCP performance with srsENB is not quite
> >> good
> >> at
> >> > the moment. Try UDP first.
> >> >
> >> > Also tune the TX and RX gains so that you have high SNR (~27-30 dB) in
> >> > both
> >> > directions.
> >> >
> >> > On Tue, 13 Feb 2018 at 10:17 <dmakris at iit.demokritos.gr> wrote:
> >> >
> >> >> Hi srsLTE community,
> >> >>
> >> >>  in our testbed, we use the latest srsLTE software (Latest commit
> >> >> 2734ce6)
> >> >> running on an Intel Core i7-7700K CPU (8x4.2 GHz), with 16 Gbyte RAM.
> >> >> The
> >> >> OS is Ubuntu 16.04. For the RF front end we use the Ettus B210 in
> >> SISO
> >> >> Mode.
> >> >>  For 1.4, 3, 5 and 10 MHz Bandwidth, we achieve the expected
> >> throughput.
> >> >> But for 15 and 20 MHz, the DL varies between 12 and 20 Mbps. The UL
> >> is
> >> >> about 25 Mbps.
> >> >>
> >> >>  Should we change another parameter from drb, rr, or sib
> >> configuration
> >> >> files?
> >> >> Thank you for your help.
> >> >>
> >> >> Thank you in advance,
> >> >> Dimitris
> >> >>
> >> >> _______________________________________________
> >> >> srslte-users mailing list
> >> >> srslte-users at lists.softwareradiosystems.com
> >> >> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
> >> >>
> >> >
> >>
> >>
> >>
> >
>
>
>
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